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Update gradient code in glitz backend

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David Reveman 2006-01-05 05:14:14 +00:00
parent 5ac6e85455
commit 4215048025
2 changed files with 18 additions and 15 deletions
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ChangeLog
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@ -1,5 +1,8 @@
2006-01-05 David Reveman <davidr@novell.com>
* src/cairo-glitz-surface.c (_cairo_glitz_pattern_acquire_surface):
Track gradient changes.
* src/cairo-pdf-surface.c (emit_pattern_stops)
(emit_linear_pattern, emit_radial_pattern): Track gradient changes.

30
src/cairo-glitz-surface.c
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@ -624,12 +624,12 @@ _cairo_glitz_pattern_acquire_surface (cairo_pattern_t *pattern,
for (i = 0; i < gradient->n_stops; i++)
{
pixels[i] =
(((int) (gradient->stops[i].color.alpha * 0xff)) << 24) |
(((int) (gradient->stops[i].color.red * 0xff)) << 16) |
(((int) (gradient->stops[i].color.green * 0xff)) << 8) |
(((int) (gradient->stops[i].color.blue * 0xff)));
(((int) (gradient->stops[i].color.alpha >> 8)) << 24) |
(((int) (gradient->stops[i].color.red >> 8)) << 16) |
(((int) (gradient->stops[i].color.green >> 8)) << 8) |
(((int) (gradient->stops[i].color.blue >> 8)));
params[n_base_params + 3 * i + 0] = gradient->stops[i].offset;
params[n_base_params + 3 * i + 0] = gradient->stops[i].x;
params[n_base_params + 3 * i + 1] = i << 16;
params[n_base_params + 3 * i + 2] = 0;
}
@ -643,22 +643,22 @@ _cairo_glitz_pattern_acquire_surface (cairo_pattern_t *pattern,
{
cairo_linear_pattern_t *grad = (cairo_linear_pattern_t *) pattern;
params[0] = _cairo_fixed_from_double (grad->point0.x);
params[1] = _cairo_fixed_from_double (grad->point0.y);
params[2] = _cairo_fixed_from_double (grad->point1.x);
params[3] = _cairo_fixed_from_double (grad->point1.y);
params[0] = grad->gradient.p1.x;
params[1] = grad->gradient.p1.y;
params[2] = grad->gradient.p2.x;
params[3] = grad->gradient.p2.y;
attr->filter = GLITZ_FILTER_LINEAR_GRADIENT;
}
else
{
cairo_radial_pattern_t *grad = (cairo_radial_pattern_t *) pattern;
params[0] = _cairo_fixed_from_double (grad->center0.x);
params[1] = _cairo_fixed_from_double (grad->center0.y);
params[2] = _cairo_fixed_from_double (grad->radius0);
params[3] = _cairo_fixed_from_double (grad->center1.x);
params[4] = _cairo_fixed_from_double (grad->center1.y);
params[5] = _cairo_fixed_from_double (grad->radius1);
params[0] = grad->gradient.inner.x;
params[1] = grad->gradient.inner.y;
params[2] = grad->gradient.inner.radius;
params[3] = grad->gradient.outer.x;
params[4] = grad->gradient.outer.y;
params[5] = grad->gradient.outer.radius;
attr->filter = GLITZ_FILTER_RADIAL_GRADIENT;
}